April 15 (Reuters) - The following bids, mergers,
acquisitions and disposals were reported by 2000 GMT on Tuesday:

** BlackBerry Ltd said on Tuesday it bought a
minority stake in privately held healthcare IT firm NantHealth,
a move that offers a glimpse into the type of niche markets the
smartphone maker is targeting as it attempts to engineer a
turnaround.

** Spanish telecoms operator Telefonica has offered
to lease spectrum and access to its network to rivals in a bid
to win European Union approval for its planned purchase of KPN's
E-Plus unit in Germany, three sources said on Tuesday.